Cosmic rays :-)
Jens
On Jan 31, 8:18 am, jb-electronics<[email protected]>
wrote:
Michel,
you need something to ionize the gas atoms inside your glass bulb. I am
not sure if a simple LED will do the trick, usually you need energized
particles in the order of 60eV, that is electron volts, and a blue LED
will only give you 3 eV.
Jens
That is interesting, all visible light is below 3.8eV or thereabouts,
so if the tube was designed for an office environment, from which
source would it receive this 60eV?
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